IAA RAS IAA Minor Planet Database

2021 YJ

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5618018686 ± 1.29e-05
Semi-major axis (a)2.3029585074 AU ± 6.85e-05
Inclination (i)32.36712998° ± 3.08e-04
Long. of Asc. Node (Ω)274.25156491° ± 6.20e-05
Arg. of Perihelion (ω)176.47039946° ± 3.67e-05
Mean Anomaly (M)41.36506410° ± 1.80e-02
Mean Motion (n)0.2820220767°/day ± 1.26e-05
Perihelion dist (q)1.00915211 AU ± 4.23e-05
Aphelion dist (Q)3.59676490 AU ± 1.11e-04
Orbital Period3.49485507 yr ± 1.56e-04
Physical Parameters
H (abs. magnitude)19.90
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.263″
Uncertainty2
Orbit TypeApollo
MOID0.025774 AU
Observations Used153
Oppositions1
Arc Total2021-2022
First Observation Used2021-12-26
Last Observation Used2022-04-02
Observations (227)
Date Type RA Dec Mag Band Observatory
2022-01-10 08:11:41 C 03 33 43.86 -33 27 10.5 – V T05
2022-01-10 08:28:51 C 03 33 49.72 -33 28 37.6 – V T05
2022-01-12 07:11:41 C 03 49 32.93 -36 59 00.9 – V T08
2022-01-12 07:16:19 C 03 49 34.43 -36 59 16.9 – V T08
2022-01-12 07:24:57 C 03 49 36.92 -36 59 50.2 – V T08
2022-01-12 07:41:14 C 03 49 41.78 -37 00 55.2 – V T08
2022-01-12 08:09:39 S 03 49 51.857 -37 02 02.87 – L C51
2022-01-12 11:17:47 S 03 50 50.738 -37 14 10.54 – L C51
2022-01-12 14:25:55 S 03 51 49.226 -37 26 05.46 – L C51
2022-01-12 17:33:52 S 03 52 46.987 -37 37 46.31 – L C51
2022-01-12 20:42:00 S 03 53 44.345 -37 49 16.93 – L C51
2022-01-12 23:50:08 S 03 54 41.371 -38 00 34.60 – L C51
2022-01-13 06:06:13 S 03 56 33.722 -38 22 35.11 – L C51
2022-01-13 09:14:21 S 03 57 29.357 -38 33 17.68 – L C51
2022-01-13 15:30:26 S 03 59 18.998 -38 54 10.26 – L C51
2022-01-13 15:30:37 S 03 59 19.073 -38 54 11.38 – L C51
2022-01-13 17:04:31 S 03 59 46.145 -38 59 16.80 – L C51
2022-01-13 18:38:35 S 04 00 13.253 -39 04 20.71 – L C51
2022-01-13 20:12:38 S 04 00 40.063 -39 09 21.89 – L C51
2022-01-13 21:46:43 S 04 01 06.953 -39 14 21.01 – L C51
2022-01-14 02:28:55 S 04 02 26.734 -39 29 02.00 – L C51
2022-01-14 04:02:59 S 04 02 53.095 -39 33 51.34 – L C51
2022-01-14 07:10:56 S 04 03 45.418 -39 43 19.42 – L C51
2022-01-14 08:45:00 S 04 04 11.573 -39 48 01.15 – L C51
2022-01-14 10:19:04 S 04 04 37.589 -39 52 39.72 – L C51
2022-01-14 15:01:16 S 04 05 54.715 -40 06 22.68 – L C51
2022-01-14 16:35:20 S 04 06 20.290 -40 10 51.71 – L C51
2022-01-14 18:09:24 S 04 06 45.756 -40 15 20.45 – L C51
2022-01-14 19:43:17 S 04 07 10.966 -40 19 43.00 – L C51
2022-01-14 19:43:28 S 04 07 11.078 -40 19 44.44 – L C51
2022-01-14 21:17:21 S 04 07 36.245 -40 24 06.80 – L C51
2022-01-15 00:25:29 S 04 08 26.374 -40 32 45.31 – L C51
2022-01-15 01:59:33 S 04 08 51.343 -40 37 02.14 – L C51
2022-01-15 05:07:41 S 04 09 40.970 -40 45 26.89 – L C51
2022-01-15 06:41:45 S 04 10 05.594 -40 49 38.28 – L C51
2022-01-15 08:15:49 S 04 10 30.142 -40 53 45.85 – L C51
2022-01-15 11:23:47 S 04 11 18.87 -41 01 54.3 – L C51
2022-01-15 12:57:50 S 04 11 43.12 -41 05 55.6 – L C51
2022-01-15 14:31:55 S 04 12 07.34 -41 09 55.9 – L C51
2022-01-15 16:05:58 S 04 12 31.33 -41 13 52.3 – L C51
2022-01-15 17:40:03 S 04 12 55.29 -41 17 49.2 – L C51
2022-01-15 19:14:07 S 04 13 19.25 -41 21 43.5 – L C51
2022-01-15 23:56:19 S 04 14 30.331 -41 33 12.71 – L C51
2022-01-16 01:30:23 S 04 14 53.760 -41 37 00.23 – L C51
2022-01-16 06:12:24 S 04 16 03.763 -41 48 06.08 – L C51
2022-01-16 06:12:35 S 04 16 03.835 -41 48 06.19 – L C51
2022-01-16 07:46:28 S 04 16 26.904 -41 51 45.90 – L C51
2022-01-16 10:54:36 S 04 17 12.958 -41 58 58.30 – L C51
2022-01-16 15:36:48 S 04 18 21.372 -42 09 32.76 – L C51
2022-01-16 17:10:52 S 04 18 43.906 -42 13 02.06 – L C51